锌虽然是生命中不可缺少的元素 ,但体内只需要微量的锌 ,如果误食锌盐或服用超剂量含锌药物会引起恶心、呕吐、腹部痉挛性疼痛、腹泻和便血。有人曾用镀锌的铁器 (白铁皮做的容器 )煮苹果汁 ,一次就使2 0 0人发病 ,病患者出现急性肠胃炎症状。经过化验这种苹果汁含锌达 150 0 0 Although zinc is an indispensable element of life, it requires only trace amounts of zinc in the body. Nausea, vomiting, abdominal cramps, diarrhea, and blood in the stool can be caused by eating zinc salts or taking overdoses of zinc medications. Someone once cooked apple juice with galvanized iron (a container made of tinplate), bringing about 200 people at a time. The patient developed symptoms of acute gastroenteritis. After testing this apple juice zinc up to 150 0 0